Writing & History. History is impossible without the written word as one would lack context in which to interpret physical evidence from the ancient past. Writing records the lives of a people and so is the first necessary step in the written history of a culture or civilization.
Lesson Summary. In review, chemical energy is energy stored in chemicals'. Energy is 'the ability to do work. Chemical energy is a type of potential energy that is energy due to the position of an object or objects.
One type of energy is chemical energy, the energy that is created or released in a chemical reaction. Chemical Energy: Storage and Release Chemical energy is stored in the chemical bonds of atoms and molecules.